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Critical Power Supplies adds Flow Battery’s backup system to portfolio

Tue, 08/05/2014 - 16:24 -- Laura Varriale
Flow Battery compressed-air backup

Energy solutions supplier Critical Power Supplies has added Flow Battery’s compressed-air battery system to its product portfolio.

The Pnu Power system for uninterruptible power supply (UPS) applications uses compressed-air cylinders to drive a scroll generator that is designed to deliver up to 4kW of AC or DC backup power, according to Flow Battery.

The compressed-air battery system aims to be more cost-effective in comparison to conventional UPS and more reliable than lead-acid batteries. The system has a low maintenance and a consistent performance, claimed Chester-based Flow Battery.

The service life of the Pnu Power range is expected to be more than 40 years.

Flow Battery recently installed a compressed-air backup at National Grid’s Elland substation in Yorkshire, UK.